Let's get this math done. We have 173 and we're going to multiply it by 4. This is the same as taking 173 and adding it to itself 4 times.
Step 1: 0 + 173 = 173
Step 2: 173 + 173 = 346
Step 3: 346 + 173 = 519
Step 4: 519 + 173 = 692

So, 173*4 = 692